I've a ASP.net Website running on IIS 7.5 secured by Client Certificate. It works correctly for almost every visitor. But there are 2 customer, that are working in the same citrix environment (win xp,ie8) where the client-certificat don't work. So I assume there is some strange configuration in their system. Is it possible, that they have set a policiy in internet explorer that disables client-certificates? I've checked all settings in internetoptions from internet-explorer and didn't found any settings that explains that behavior. Does anyone have another idea what the problem could be?
I'd really appreciate your help.
Best regards, Philipp
